diff --git a/res/shaders/MeshletBasePass.slang b/res/shaders/MeshletBasePass.slang
index 87bfe89..8480b8b 100644
--- a/res/shaders/MeshletBasePass.slang
+++ b/res/shaders/MeshletBasePass.slang
@@ -52,7 +52,7 @@ void taskMain(
 				uint index;
 				InterlockedAdd(head, 1, index);
 				p.meshletId[index] = m;
-				p.instanceId[index] = groupID + pScene.primitiveIndices[m];
+				p.instanceId[index] = groupID;
 			}
 		}
 	}
@@ -97,7 +97,7 @@ void meshMain(
 			uint vertexIndex = pScene.vertexIndices[m.vertexOffset + v];
 			VertexAttributes attr = pVertexData.getAttributes(md.indicesOffset + vertexIndex);
 			vertices[v] = attr.getParameter(inst.transformMatrix);
-			vertices[v].vertexColor = m.color;
+			//vertices[v].vertexColor = m.color;
 		}
 	}
 }
\ No newline at end of file
diff --git a/src/Engine/Graphics/Vulkan/Graphics.cpp b/src/Engine/Graphics/Vulkan/Graphics.cpp
index b9a0809..41f2830 100644
--- a/src/Engine/Graphics/Vulkan/Graphics.cpp
+++ b/src/Engine/Graphics/Vulkan/Graphics.cpp
@@ -489,7 +489,7 @@ void Graphics::pickPhysicalDevice()
         {
             if (std::strcmp(VK_EXT_MESH_SHADER_EXTENSION_NAME, extensionProps[i].extensionName) == 0)
             {
-                //meshShadingEnabled = true;
+                meshShadingEnabled = true;
                 break;
             }
         }
diff --git a/src/Engine/Graphics/slang-compile.cpp b/src/Engine/Graphics/slang-compile.cpp
index 5401a33..c399dbc 100644
--- a/src/Engine/Graphics/slang-compile.cpp
+++ b/src/Engine/Graphics/slang-compile.cpp
@@ -16,8 +16,8 @@ Slang::ComPtr<slang::IBlob> Seele::generateShader(const ShaderCreateInfo& create
     }
     slang::SessionDesc sessionDesc;
     sessionDesc.flags = 0;
-    StaticArray<slang::CompilerOptionEntry, 2> option;
-    option[0].name = slang::CompilerOptionName::DumpIntermediates;
+    StaticArray<slang::CompilerOptionEntry, 3> option;
+    option[0].name = slang::CompilerOptionName::IgnoreCapabilities;
     option[0].value = slang::CompilerOptionValue();
     option[0].value.kind = slang::CompilerOptionValueKind::Int;
     option[0].value.intValue0 = 1;
@@ -25,6 +25,10 @@ Slang::ComPtr<slang::IBlob> Seele::generateShader(const ShaderCreateInfo& create
     option[1].value = slang::CompilerOptionValue();
     option[1].value.kind = slang::CompilerOptionValueKind::Int;
     option[1].value.intValue0 = 1;
+    option[2].name = slang::CompilerOptionName::DumpIntermediates;
+    option[2].value = slang::CompilerOptionValue();
+    option[2].value.kind = slang::CompilerOptionValueKind::Int;
+    option[2].value.intValue0 = 1;
     sessionDesc.compilerOptionEntries = option.data();
     sessionDesc.compilerOptionEntryCount = option.size();
     sessionDesc.defaultMatrixLayoutMode = SLANG_MATRIX_LAYOUT_COLUMN_MAJOR;